<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <p>在线支付</p>
    </header>
    <!-- 订单信息部分 -->
    <h3>订单信息：</h3>
    <div class="order-info">
      <p>
        {{orders.business.businessName}}
        <i class="fa fa-caret-down" @click="detailetShow"></i>
      </p>
      <p>&#165;{{orders.orderTotal}}</p>
    </div>
    <!-- 订单明细部分 -->
    <ul class="order-detailet" v-show="isShowDetailet">
      <li v-for="item in orders.list">
        <p>{{item.food.foodName}} x {{item.quantity}}</p>
        <p>&#165;{{item.food.foodPrice*item.quantity}}</p>
      </li>
      <li>
        <p>配送费</p>
        <p>&#165;{{orders.business.deliveryPrice}}</p>
      </li>
    </ul>
    <!-- 支付方式部分 -->
    <ul class="payment-type">
      <li>
        <img src="../assets/alipay.png">
        <i class="fa fa-check-circle"></i>
      </li>
      <li>
        <img src="../assets/wechat.png">
      </li>
    </ul>
    <div class="payment-button">
      <button>确认支付</button>
    </div>
    <!-- 底部菜单部分 -->
    <Footer></Footer>
  </div>
</template>
<script>
import Footer from '@/views/Footer.vue';

export default {
  name: 'Payment',
  data() {
    return {
      orderId: this.$route.query.orderId, // 当前订单ID
      orders: {
        business: {}, // 商家信息
      },
      isShowDetailet: false, // 是否显示订单详情
    };
  },
  created() {
    this.initPayment();
  },
  mounted() {
    this.preventBackNavigation();
  },
  destroyed() {
    // 清除 popstate 事件监听
    window.onpopstate = null;
  },
  methods: {
    // 初始化支付页面
    initPayment() {
      const token = localStorage.getItem('token');
      if (!token) {
        console.error('Token 不存在，跳转登录页');
        this.$router.push({ path: '/login' });
        return;
      }

      // 获取订单信息
      this.sendRequest('OrdersController/getOrdersById', 'POST', {
        orderId: this.orderId,
      })
          .then((response) => {
            this.orders = response.data;
          })
          .catch((error) => {
            console.error('获取订单信息失败:', error);
          });
    },
    // 防止页面后退
    preventBackNavigation() {
      // 将当前URL添加到历史记录
      history.pushState(null, null, document.URL);

      // 监听popstate事件，阻止用户后退
      window.onpopstate = () => {
        this.$router.push({ path: '/index' });
      };
    },
    // 切换订单详情显示
    detailetShow() {
      this.isShowDetailet = !this.isShowDetailet;
    },
    // 通用请求方法
    sendRequest(url, method, data) {
      const token = localStorage.getItem('token');
      if (!token) {
        console.error('Token 不存在，跳转登录页');
        this.$router.push({ path: '/login' });
        return Promise.reject('未登录');
      }

      return this.$axios({
        method,
        url,
        data: this.$qs.stringify(data),
        headers: {
          Authorization: `Bearer ${token}`,
          'Content-Type': 'application/x-www-form-urlencoded',
        },
        withCredentials: true,
      });
    },
  },
  components: {
    Footer,
  },
};
</script>
<style scoped>
/****************** 总容器 ******************/
.wrapper {
  width: 100%;
  height: 100%;
}
/****************** header部分 ******************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #0097FF;
  color: #fff;
  font-size: 4.8vw;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}
/****************** 订单信息部分 ******************/
.wrapper h3 {
  margin-top: 12vw;
  box-sizing: border-box;
  padding: 4vw 4vw 0;
  font-size: 4vw;
  font-weight: 300;
  color: #999;
}
.wrapper .order-info {
  box-sizing: border-box;
  padding: 4vw;
  font-size: 4vw;
  color: #666;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.wrapper .order-info p:last-child {
  color: orangered;
}
/****************** 订单明细部分 ******************/
.wrapper .order-detailet {
  width: 100%;
}
.wrapper .order-detailet li {
  width: 100%;
  box-sizing: border-box;
  padding: 1vw 4vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.wrapper .order-detailet li p {
  font-size: 3vw;
  color: #666;
}
/****************** 支付方式部分 ******************/
.wrapper .payment-type {
  width: 100%;
}
.wrapper .payment-type li {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.wrapper .payment-type li img {
  width: 33vw;
  height: 8.9vw;
}
.wrapper .payment-type li .fa-check-circle {
  font-size: 5vw;
  color: #38CA73;
}
.wrapper .payment-button {
  width: 100%;
  box-sizing: border-box;
  padding: 4vw;
}
.wrapper .payment-button button {
  width: 100%;
  height: 10vw;
  border: none;
  /*去掉外轮廓线*/
  outline: none;
  border-radius: 4px;
  background-color: #38CA73;
  color: #fff;
}
</style>